#3688C2#3688C2

#3688C2 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.3% C 0.118 H 243.2°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#3688C2
RGB	rgb(54, 136, 194)
HSL	hsl(205, 56%, 49%)
HSV	hsv(205, 72%, 76%)
CMYK	cmyk(72.2%, 29.9%, 0%, 23.9%)
CIE-LAB	lab(54.33, -5.45, -37.32)
CIE-LCH	lch(54.33, 37.72, 261.69°)
OKLab	oklab(60.33% -0.0533 -0.1056)
OKLCH	oklch(60.33% 0.118 243.2)
XYZ	xyz(20.0593, 22.2854, 54.2728)
Luminance	0.2229 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3688C2 #C27036

analogous

#36C2B6 #3688C2 #3642C2

triadic

#3688C2 #C23688 #88C236

tetradic

#3688C2 #B636C2 #C27036 #42C236

square

#3688C2 #B636C2 #C27036 #42C236

split-complementary

#3688C2 #C23642 #C2B636

monochromatic

#1B4562 #296692 #3688C2 #62A4D3 #92C0E1

Accessibility & contrast

On white

3.85

#3688C2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#3688C2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3688C2

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3688C2	#FFFFFF	#000000	##000000
##3688C2	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D89C5

Deuteranopia (green-blind)

#5A7CC1

Tritanopia (blue-blind)

#00969C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3688c2;
/* rgb */ color: rgb(54, 136, 194);
/* oklch */ color: oklch(60.3% 0.118 243.2);

Tailwind

colors: {
  custom: {
    50: '#7faad4',
    500: '#3688c2',
    950: '#000000',
  },
}

SCSS

$custom: #3688c2;
$custom-light: #7faad4;
$custom-dark: #000000;

JSON

{
  "hex": "#3688c2",
  "rgb": {
    "r": 54,
    "g": 136,
    "b": 194
  },
  "hsl": {
    "h": 204.857,
    "s": 56.452,
    "l": 48.627
  },
  "oklch": {
    "l": 0.60328,
    "c": 0.11828,
    "h": 243.2
  },
  "luminance": 0.22288
}

Semantic roles & 50–950 ramp

primary

#3688C2

secondary

#CCA488

accent

#8748E0

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #3688C2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →